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EP3211728B2 - Dispositif de sécurisation de verrouillage et système de connecteur électrique - Google Patents

Dispositif de sécurisation de verrouillage et système de connecteur électrique Download PDF

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Publication number
EP3211728B2
EP3211728B2 EP17155345.6A EP17155345A EP3211728B2 EP 3211728 B2 EP3211728 B2 EP 3211728B2 EP 17155345 A EP17155345 A EP 17155345A EP 3211728 B2 EP3211728 B2 EP 3211728B2
Authority
EP
European Patent Office
Prior art keywords
locking
housing
assurance device
unlocking
holder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17155345.6A
Other languages
German (de)
English (en)
Other versions
EP3211728A1 (fr
EP3211728B1 (fr
Inventor
Marc SEBAOUNI
Xavier Rouillard
François Jodon de Villeroche
Steven Lord
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tyco Electronics France SAS
Original Assignee
Tyco Electronics France SAS
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Publication date
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Application filed by Tyco Electronics France SAS filed Critical Tyco Electronics France SAS
Publication of EP3211728A1 publication Critical patent/EP3211728A1/fr
Publication of EP3211728B1 publication Critical patent/EP3211728B1/fr
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Publication of EP3211728B2 publication Critical patent/EP3211728B2/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6275—Latching arms not integral with the housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force

Definitions

  • the present invention relates to the field of automotive electrical connectivity. It relates particularly to an electrical connector system comprising two mating connector housings and a locking assurance device, in particular to a spring locking assurance device.
  • the repeated high intensity vibrations and/or shocks to which the diverse electrical elements in motor vehicles can be subjected typically electrical connector systems comprising a female connector holder with one or more electrical contacts and a mating male tab holder comprising one or more electrical contact tabs, can lead to uncoupling between the female connector holder and the male tab holder, and therefore to poor electrical contact or even interruption of the electrical contact.
  • male tab holders similar to the male tab holder 400 illustrated in FIGS. 4A-4B , comprising at least one locking lug such as the locking lug 402 allowing, by means of an adapted locking lance of the mating female connector holder, the locking of the electrical connector system when the female connector holder and the male tab holder 400 are in a fully coupled state, that is to say, fully inserted one inside the other, and when the physical and electrical contacts are assured in an appropriate manner.
  • such a locking lug 402 is generally presented in the form of a protrusion of the male tab holder 400, one surface 406 of which is essentially perpendicular to the direction of the coupling movement, acts as a stop for the head of the locking lance of the female connector holder in a fully coupled state in order to achieve the said locking in the coupled state of the connector system by preventing movement counter to the insertion movement.
  • the thrust surface of the locking assurance device of the female connector holder remains abutted against the edges 404 of the male tab holder 400, preventing locking.
  • the lance of the locking assurance device of the female connector holder terminating with the thrust surface is deflected with respect to the edges 404 of the opening of the male tab holder 400.
  • the locking lug 402 of the male tab holder 400 presents a sloping rib 405, essentially following the direction of the coupling movement, thus allowing the lance of the locking assurance device of the female connector holder to be deflected and guided such that it passes above the locking lug 402, thereby allowing the coupling movement up to the correctly coupled state of the connector system, in which the lance of the locking assurance device then bypasses the locking lug 402, falls back to its non-deflected position and is then in a position abutting against the locking lug 402, in particular the corresponding stop or locking surface 406 of the locking lug 402, thereby effecting the said locking of the connector system, preventing a movement counter to the coupling movement.
  • a spring locking assurance device comprising a locking lance and at least one spring, the locking assurance device being configured for being movably accommodated, in particular in a sliding manner, in the female connector holder.
  • a locking assurance device is arranged such that the said spring is relaxed when the female connector holder and the male tab holder are in the uncoupled state, and compressed or "loaded” when they are in a partially coupled state.
  • the compression of the spring is opposed to the coupling movement, such that the force exerted on the female connector holder and/or male tab holder during the coupling movement is not sufficient to bypass the stop between the locking lance and the edges of the male tab holder, the spring then automatically pushes back the female connector holder with respect to the male tab holder in a movement counter to the coupling movement. An incorrectly or partially coupled assembly of the connector is thus prevented.
  • the force exerted on the female connector holder and/or male tab holder during the coupling movement is sufficient, the locking lance can then be deviated with respect to the edges of the male tab holder and then deviated and guided by means of the rib to bypass the locking lug and then effect the locking as described above.
  • an inadvertent and/or unintentional disconnection due to shocks or vibrations in the environment is in principle no longer possible. Only a deliberate manual disconnection on the part of an operator is then possible.
  • the slider is mounted on the upper surface of the outer tube of the female housing.
  • Two slider operating stepped portions are provided at the opposite side surfaces of the rear end of the slider and the operating portions bulge out sideways to a larger degree towards the back so that the slider can be pulled back from the front.
  • Document FR3008833 A1 discloses an electrical connector system comprising a locking assurance device and a first connector housing configured for being engageable with a second mating connector housing that is capable to be locked therewith in accordance with the preamble of independent claim 1.
  • One objective of the present invention is therefore to provide a system allowing not only improved locking of an electrical connector system comprising a female connector holder having a locking assurance device and a mating male tab holder, but also facilitated operation of the unlocking of the system.
  • the objective is achieved by means an electrical connector system comprising a locking assurance device and a first connector housing configured for mating with a second mating connector housing that can be locked therewith, wherein the locking assurance device comprises at least one spring and is configured for being movably accommodated in the first housing such that a displacement of the locking assurance device in the first housing from a delivery position causes a loading of the said at least one spring.
  • the electrical connector system comprising a locking assurance device is further configured such that, during an action of mating the second housing into the first housing, the locking assurance device is displaced from the delivery position by the second housing such that the loading of the said at least one spring opposes the mating as long as the electrical connector system is not in a locked state wherein the second housing is locked with the first housing, and the locking assurance device is not returned to the delivery position.
  • the locking assurance device further comprises a body configured for being movably accommodated, in particular in a sliding manner, in the first housing in a mating direction of a second housing into the first housing and the first housing further comprises a body comprising an accommodation portion which is a recess of geometry adapted to that of the locking assurance device.
  • the locking assurance device is further configured such that, in the locking state, a displacement of the locking assurance device from the delivery position causes a loading of the said at least one spring authorising the unlocking of the first and second housings.
  • an electrical connector system having a spring locking assurance device it is therefore possible to use a pressure of the second housing, for example a male tab holder, in order to push the mobile, in particular slidable, locking assurance device accommodated in the first housing, for example a female connector holder, thereby loading the spring or springs.
  • the loading of the spring or springs opposes the mating of the second housing into the first housing, such that if the user does not push the second housing sufficiently into the first housing, the second housing is ejected automatically.
  • the locking spring of the locking assurance device assures automatic ejection and prevents an incorrect physical and/or electrical connection of the electrical connector system.
  • a manual pressure applied by an operator to the locking assurance device again causes a loading of the spring or springs which helps, in a single movement, to unlock the first and second housings.
  • This unlocking is only possible if the locking assurance device is manually pushed sufficiently. If not, the locking assurance device is returned to its delivery position by reason of the loading of the spring or springs which once again opposes a pressure applied to the locking assurance device. A disconnection is therefore prevented automatically if the user does not sufficiently load the spring or springs so as to allow unlocking.
  • unlocking may by authorized without the use of special tools and without having manually to access the locking lance of the female connector holder and/or the locking assurance device, thereby preventing any breakage resulting from a mal-operation on the part of the operator.
  • the locking assurance device being configured for being movably accommodated, in particular in a sliding manner, in the first housing in a mating direction of a second housing into the first housing, it is therefore possible to arrange the locking assurance device so that the mating of the second housing into the first housing in a predetermined mating direction loads the said at least one spring of the locking assurance device such that the relaxation of the spring or springs is also in the mating direction.
  • the locking assurance device can therefore be configured advantageously so that the ejection of the second housing in the event of an incorrect connection takes place as directly as possible, namely in the mating direction.
  • the loading of the said at least on spring authorizing the transition to the locking state and/or the unlocking from the locking state can be a maximum relative loading of the said at least one spring.
  • This configuration is preferable so that only a state of maximum relative loading of the spring or springs of the locking assurance device authorizes the transition to the locked state and/or authorizes unlocking.
  • the locking assurance device can be configured advantageously so that, during a mating action, the second housing is ejected automatically if the predetermined loading of the spring is not achieved.
  • the locking assurance device can also be configured advantageously so that, during a manual unlocking on the part of an operator, unlocking is only authorized when the predetermined loading of the spring is achieved.
  • the loading of the said at least one spring authorizing transition to the locked state is substantially the same as the loading authorizing unlocking.
  • This configuration advantageously allows the use of the same predetermined loading of the spring or springs to authorise the mating and locking of the second housing in the first housing, but also to authorize manual unlocking where necessary.
  • the locking assurance device can further comprise at least one thrust surface configured such that, during a mating action, a thrust applied thereto, in particular by the second housing, causes the loading of the said at least one spring opposing the mating action.
  • the locking assurance device can be configured advantageously to allow a direct interaction with the second housing.
  • An alternative form of configuration with in particular two thrust surfaces has proven advantageous, but configurations with one, three or more thrust surfaces can also be envisaged in the context of the present invention.
  • the locking assurance device can further comprise an unlocking thrust surface, in particular distinct from the said at least one thrust surface of the preceding variant, configured such that, in the locking state, a thrust thereon causes the loading of the said at least one spring authorizing an unlocking.
  • the locking assurance device can be provided with a thrust surface specifically dedicated to unlocking. Such a surface can then be arranged preferably so as not to be able to come into contact with the second housing such that, starting from a locking state of the system, it is necessary to push this unlocking thrust surface manually in order to cause the loading of the spring necessary for authorization of the unlocking of the system.
  • the locking assurance device can further comprise at least one guide surface, and the locking assurance device can further be configured such that, during a displacement of the locking assurance device from the delivery position, the said at least one guide surface causes a displacement of a first locking element of the first housing authorizing transition to the locking state and/or authorizing unlocking from the locking state. It is therefore possible to configure the locking assurance device such that a displacement thereof causing the loading of the spring or springs also causes, where necessary, a deflection of a locking element of the first housing, for example a locking lance, so as to allow the passage of a corresponding locking element of the second housing in either direction of the mating movement.
  • the first housing comprises a first locking element capable of being displaced, in particular resiliently, from a delivery position in which, in a locking state, the first locking element is locked with a second locking element of a second mating housing.
  • the electrical connector system is further configured such that a loading of the said at least one spring causes a displacement of the first locking element of the first housing authorizing transition to the locking state and unlocking from the locking state.
  • the system therefore incorporates all the advantages of the locking assurance device and its variants. Furthermore, according to the variants of this other aspect of the present invention, and without limitation:
  • a locking assurance device comprising a thrust surface configured such that, during a mating action, a thrust exerted thereon causes the loading of the at least one spring opposing the mating action
  • the electrical connector system can be further configured such that, in the locking state, the said at least one thrust surface is arranged such that a thrust thereon is not permitted, in particular by the second housing.
  • the locking assurance device prefferably configured with a judicious arrangement of the thrust surface against which the second housing comes to abut and exerts a pressure during the mating action, such that, once the locking state is achieved, the second housing cannot advance further into the first housing such that a repeated thrust on the locking assurance device is not permitted, thereby preventing any unintentional disconnection.
  • the locking assurance device can be further configured such that, in the locking state, the unlocking thrust surface is arranged out of reach of the second housing. It is therefore possible to prevent an unintentional disconnection by conveniently arranging the unlocking thrust surface so that an interaction between the said surface and the second housing is not possible. Thus, a manual intervention on the part of an operator on the unlocking thrust surface is necessary in order to unlock the system.
  • the present invention brings about an improvement in locking and, where applicable, assurance of the locking between a female connector holder and a male tab holder of an electrical connector system compared with the connectors known in the prior art. Furthermore, the present invention also brings about an improvement in the unlocking and then the disconnection of the locked system and prevents in particular breakage or twisting of the locking elements.
  • FIGS. 1A-1B are three-dimensional views illustrating an example embodiment of a locking assurance device 100 according to one aspect of the present invention, wherein FIG. 1A represents the device 100 in a perspective view from above, and FIG. 1B represents the device 100 in a perspective view from below.
  • the locking assurance device 100 comprises a body 101, configured and intended to be accommodated in an adapted accommodation portion of a female connector holder housing for an electrical connector system, connected to at least one lance, here the two lances 102 103, intended in particular to assure the locking of the electrical connector system comprising a female connector holder and a male tab holder coupled together.
  • the lances 102, 103 can extend substantially parallel to the body 101, but other configurations may be envisaged.
  • the body 101 of the locking assurance device 100 can have a geometry that is preferably adapted to that of a mating accommodation portion on a female connector holder housing in which the device 100 is intended to be movably accommodated, in particular in a sliding manner.
  • the body 101 comprises two arms 106, 107 with a substantially tubular geometry, configured for insertion into an adapted accommodation portion of a female connector holder.
  • each arm 106, 107 comprises a locking lug 108, 109 respectively which is configured for locking the device 100 with a female connector holder housing. It is however possible, in variants, to provide the device 100 with a single arm or alternatively with more than two arms. It is also possible, in certain variants, to have more than one lug on an arm allowing locking with an adapted female connector holder.
  • the view from below of FIG. 1B further illustrates that each arm 106, 107 comprises a corresponding cavity 110, 111.
  • the locking assurance device 100 comprises at least one spring (not represented), in particular as many springs as there are arms 106, 107 accommodated in the respective corresponding cavity 110, 111 in order to perform a spring locking function between a female connector holder and a male tab holder in an electrical connector system.
  • the locking assurance device 100 of the example embodiment illustrated in FIGS. 1A-1B could comprise a single spring accommodated in one of the two cavities 110 or 111, or alternatively could comprise two springs, accommodated in cavity 110 and in cavity 111 respectively.
  • An example locking mechanism with two springs will be detailed below.
  • FIG. 1A further illustrates that the body 101 can comprise at one end a head 105 forming an angle, for example "L” or “T” shaped, and presenting an end surface 112.
  • the surface 112 can be configured as an unlocking thrust surface for a manual action on the part of an operator.
  • one end of each lance 102, 103 can present an end surface 113, 117 respectively capable of having an indentation presenting another end surface 114, 118.
  • the respective surfaces 114, 118 of the two lances 102, 103 can have stop surfaces configured to effect a stop with the edges of the opening of a male tab holder during the coupling of the female connector holder and the male tab holder, preventing the continuation of the coupling movement if the force exerted on the female connector holder and/or the male tab holder is not sufficient to compress the springs to a predetermined loading authorizing the continuation of the coupling movement, as will be detailed below.
  • the locking assurance device 100 thus comprises at least one stop or thrust surface 114, 118 and in particular two such surfaces.
  • each lance 102, 103 can further terminate substantially in an "L" shape by means of a lug 119, 120 respectively which can be shoe shaped.
  • the bottom of the locking assurance device 100 can comprise an element 115 presenting an inclined surface 116 which, as will be detailed below, can be a guide or unlocking surface.
  • the at least one stop surface 114, 118 can prevent a movement counter to the coupling by effecting a stop against the edges of the opening of the male tab holder.
  • FIG. 2 is a three-dimensional view illustrating an example embodiment of a female connector holder housing 200 of an electrical connector system according to one aspect of the present invention.
  • the female connector holder housing 200 comprises a body 201 with an upper part 202 adapted for accommodating a locking assurance device, and a lower part 203 adapted for accommodating one or more electrical contacts.
  • the upper part 202 is adapted for accommodating the locking assurance device 100 of the example embodiment illustrated in FIGS. 1A-1B .
  • the upper part 202 of the body 201 of the female connector holder housing 200 comprises an accommodation portion 204 which is a recess of geometry adapted, and in particular complementary, to that of the locking assurance device 100.
  • the accommodation portion 204 can then comprise two grooves 205, 206 on either side, the geometry of which is adapted, and is in particular complementary, to that of the arms 106, 107 of the locking assurance device 100, and which substantially form hollow channels into which the arms 106, 107 can be introduced so as to accommodate the locking assurance device 100 in the accommodation portion 204.
  • the grooves 205, 206 can each further comprise an end wall 207, 208 allowing the locking assurance device 100 accommodated in the accommodation portion 204 to be prevented from moving out of it by means of an abutment of the lugs 108, 109 against the said end walls 207, 208 during a movement counter to the insertion of the device 100 into the accommodation portion 204.
  • the springs (not represented) allow the lugs 108, 109 to be brought back to abut against the end walls 207, 208.
  • the accommodation portion 204 comprises a locking lance 209 configured for effecting a locking of the female connector holder 200 with the locking lug of a mating male tab holder.
  • the lance 209 comprises an indentation at its end forming an unlocking surface 210 against which the unlocking surface 116 of the locking assurance device 100 accommodated in the accommodation portion 204 effects a thrust when a pressure is exerted thereon causing a loading of the springs. This aspect will also be illustrated below.
  • FIG. 2 further illustrates that the lower part 203 of the body 201 of the female connector holder 200 comprises an accommodation portion 211 intended to accommodate one or more electrical contacts or more generally electrical contact housings, as illustrated for example by assembly 300 of FIG. 3 and the example embodiments detailed below.
  • the housing 211 is also configured for receiving a mating male tab holder which, in a fully coupled state with the female connector holder 200, can be pushed in as far as the stop wall 218 of the accommodation portion 211.
  • FIG. 3 is a three-dimensional view illustrating an example embodiment of an assembled female connector holder 300 according to one aspect of the present invention, wherein the locking assurance device 100 of the example embodiment illustrated in FIGS. 1A-1B is movably accommodated, in particular in a sliding manner, in the accommodation portion 204 of the female connector holder housing 200 of the example embodiment illustrated in FIG. 2 .
  • the reader is therefore referred to the previous description for further details concerning these two elements.
  • the locking assurance device 100 is movably accommodated, substantially in translation, in the accommodation portion 204 of the upper part 202 of the female connector holder 200 such that the arms 106, 107 of the lance 100 are accommodated in a groove 205, 206 respectively.
  • the locking assurance device 100 is illustrated here in the delivery position.
  • the tabs 108, 109 therefore substantially abut against the inside of the walls 207, 208 and the locking springs are in a relaxed state or in a relative state of minimum compression (not visible in FIG. 3 ) and are accommodated in the cavities 110, 111 of the arms 106, 107.
  • the assembled female connector holder 300 is represented in a front three-quarter view. It is thus clear that the lance 102 of the locking assurance device 100 presents its end surfaces 113, 114 so as to face a mating male tab holder which would engage in the assembled female connector holder 300 in a corresponding electrical connector system.
  • the lance 103 is not visible or is only just visible, but a person skilled in the art will readily understand that its end surfaces 117, 118 are arranged in a manner similar to those of the lance 102.
  • the stop surfaces or thrust surfaces 114, 118 which will first come to abut against the edges of the opening of a mating male tab holder, are also visible in this view.
  • FIG. 3 further illustrates that an electrical contact housing 301 is accommodated in the accommodation portion 211 of the lower part 203 of the body 201 of the female connector holder 200, in particular by means of a seal 304.
  • the electrical contact housing 301 comprises two electrical contact terminals 302, 303 configured for receiving mating electrical contact tabs of a male tab holder mating with the assembled female connector holder 300.
  • the electrical contact housing 301 could comprise only one electrical contact terminal.
  • the electrical contact housing 301 could comprise more than two electrical contact terminals, for example three terminals or more.
  • a mating male tab holder will have as many electrical contact tabs as there are electrical contact terminals 302, 303 in the electrical contact housing 301.
  • FIGS. 4A-4B are three-dimensional views illustrating an example male tab holder 400 for an electrical connector system such as that described above.
  • FIG. 4A represents the male tab holder 400 in a "front-on” view, while FIG. 4B shows it in a "rear” view.
  • the male tab holder 400 can be a conventional male tab holder. It therefore comprises a substantially hollow longitudinal body 401, in which one or more electrical contact tabs (not represented) can be accommodated.
  • the rear view of FIG. 4B illustrates the case of a tab holder comprising two orifices 407, 408 allowing the entry of cables or more generally electrical conductors, the terminations of which are electrical contact tabs.
  • the male tab holder 400 can therefore have two electrical contact tabs which can be mated to the electrical contact terminals 302, 303 of the assembled female connector holder 300 of the example embodiment illustrated in FIG. 3 .
  • the male tab holder 400 also comprises an orifice or an opening 401.
  • the accommodation portion 211 of the female connector holder housing 200 of the assembled female connector holder 300 is therefore dimensioned for receiving the mating male tab holder 400 in order to make an electrical contact between the tabs of the male tab holder 400 and the electrical contact terminals 302, 303 of the female connector holder 300 assembly.
  • the edges or perimeter 404 of the opening 403 of the male tab holder 400 will in particular come to abut against the surface 114 of the locking assurance device 100, thus exerting a pressure thereon and loading the springs.
  • the male tab holder 400 further comprises a locking lug 402 on the external surface of the body 401, which can be substantially "T" shaped, protruding from the body 401 and slightly set back from the edges 404 of the coupling opening 403. As also illustrated in FIGS.
  • the locking lug 402 comprises a rib 405 which is substantially parallel to the longitudinal direction of the body 401 or generally to a direction of coupling or mating between the male tab holder 400 and a mating female connector holder such as the female connector holder 300, in a rising gradient in a direction substantially running from the edge 404 of the opening 403 to the end of the male tab holder 400 presenting the two orifices 407, 408.
  • the locking tab 402 further comprises, on the side opposite to the rib 405, a locking surface 406, visible in particular in FIG. 4B . This surface 406 can therefore by hooked by the locking lance 209 of the female connector holder housing 200 in the locking state of the system.
  • FIGS. 5A-5B illustrate an example embodiment of an electrical connector system 500 according to one aspect of the present invention, comprising the assembled female connector holder 300 of the example embodiment illustrated in FIG. 3 with in particular the locking assurance device 100 accommodated in the female connector holder 200, and the male tab holder 400 illustrated in FIGS. 4A-4B , prior to coupling, in a three-dimensional view ( FIG. 5A ) and in a cross-section ( FIG. 5B ).
  • a system 500 can for example be used for electrical connection in an automotive motor vehicle, without however being restricted solely to such a use.
  • the electrical connector system 500 is in an uncoupled state, that is to say, unlocked.
  • the female connector holder 300 and the male tab holder 400 are facing each other for coupling, but are not yet in physical contact.
  • the surfaces 114, 118 of the lances 102, 103 of the locking assurance device 100 are not abutted against the edges 404 of the opening 403 of the male tab holder 400.
  • the female connector holder housing 200 or the assembled female connector holder 300 and the male tab holder 400 forming the first and second housings are in an uncoupled state.
  • the two locking springs (not represented) of the locking assurance device 100 are relaxed, that is, at rest.
  • the surfaces 108, 109 of the lances 106, 107 of the locking assurance device 100 are not abutted against the edges 207, 208 of the female connector holder housing 200.
  • FIGS. 6A-6D and 7A-7C are sections in the same plane as the section of FIG. 5B .
  • the elements not illustrated in these sections behave in a manner similar to the illustrated elements which are substantially symmetrical to them.
  • FIGS. 6A-6D illustrate schematically successive stages in the coupling of the electrical connector system 500 represented in FIGS. 5A-5B by a plurality of section views, starting with an uncoupled state represented in FIG. 6A and culminating in a locking state represented in FIG. 6D in which the housings 300, 400 of the electrical connector 500 are fully coupled and locked, passing through two successive partially coupled states represented in FIG. 6B and 6C .
  • the cross-sections of FIGS. 6A-6D are substantially in line with the view of FIG. 5B .
  • the upper part of the edge 404 of the opening 403 of the male tab holder 400 comes to abut against the said at least one stop surface 114, 118 formed by the recess under the end surface 113, 117 of the corresponding lance 102, 103 of the locking assurance device 100.
  • a deflection of the head of the locking lance 209 of the female connector holder housing 200 and a deflection of the lances 102, 103 of the locking assurance device 100 are mutually precluded.
  • the locking springs accommodated in the cavities 110, 111 of the arms 106, 107 of the device 100, which is in its delivery position, are substantially relaxed.
  • the connector system 500, and therefore the assembly of the female connector holder 300 and male tab holder 400, is in an uncoupled state, and there is no locking between the locking lance 209 and the locking lug 402.
  • FIG. 6B illustrates a later coupling stage during which a force is exerted on the female connector holder 300 assembly and/or on the male tab holder 400 intended to continue the coupling of the electrical connector system 500 in the mating direction indicated by the arrow illustrated previously in FIG. 6A .
  • This force is not, however, sufficient to complete the coupling.
  • the locking assurance device 100 is subject to a thrust strain and advances further into the accommodation portion 204 of the housing 200 of the female connector holder 300.
  • a thrust is exerted by the edge 404 of the opening 403 of the male tab holder 400 on the thrust surfaces 114, 118.
  • the springs of the locking assurance device 100 are in a loading state but not yet at maximum relative loading or at least not yet at a predetermined relative loading corresponding to authorization for the locking of the system.
  • the arms 106, 107 have moved back into the respective grooves 205, 206 of the accommodation portion 204 of the female connector holder 200, thus compressing the springs.
  • the system 500, and therefore the female connector holder 300 and male tab holder 400, are in a partially coupled state, but there is no locking between the locking lance 209 and the locking lug 402. However, the head of the locking lance 209 comes into contact with the inclined rib 405 of the locking lug 402 of the male tab holder 400.
  • the locking springs will have a tendency to relax, such that the stop surfaces 114, 118 will push back the edge 404, thus ejecting the male tab holder 400 from the female connector holder 300, that is, separating the electrical connector system 500, which will therefore be returned to an uncoupled state, as in FIGS. 5A or 6A .
  • the invention advantageously brings about an improvement in a spring locking system preventing an incorrect electrical connection between the contact terminals of a female connector holder and the contact tabs of a mating male tab holder.
  • FIG. 6C illustrates the case whereby the force exerted on the female connector holder 300 and/or on the male tab holder 400 in the direction of insertion is sufficient to continue the coupling of the electrical connector system 500.
  • the springs of the locking assurance device 100 are now further compressed than at the stage illustrated in FIG. 6B as the device 100 is pushed further back into the accommodation portion 204, so that the unlocking element 115 has deviated the locking lance 209 through the action of its inclined surface 116 on the unlocking surface 210. Furthermore, the head of the lance 209 is also deviated by the inclined rib 405 of the lug 402. As a result, the passage of the locking lug 402 and therefore the forward movement of the male tab holder 400 into the accommodation portion 211 will now be possible.
  • the locking assurance device 100 is again subject to a thrust strain but has reached the stop at the bottom of the accommodation portion 204 of the housing 200 of the female connector holder 300.
  • the springs of the device 100 are in a state of compression corresponding to a predetermined relative loading which is a maximum relative loading in respect of the states illustrated previously.
  • the female connector holder 300 and the male tab holder 400 of the electrical connector system 500 are therefore on the point of being correctly coupled and locked but are still represented in a partially coupled state.
  • the invention advantageously brings about an improvement in a spring locking system preventing an incorrect electrical connection between the contact terminals of a female connector holder and the contact tabs of a mating male tab holder.
  • FIG. 6D illustrates the case where the male tab holder 400 has been correctly mated into the female connector holder 300 and is locked to it.
  • the head of the locking lance 209 has passed behind the locking lug 402 and therefore prevents the disconnection of the male tab holder 400 by abutting against the surface 406 of the back of the locking lug 402.
  • the locking assurance device 100 has returned to its delivery position, wherein the unlocking element 115 prevents the locking lance 209 from rising again and the lances 102, 103 have returned to their initial position.
  • the springs of the device 100 are therefore in a state of minimum relative loading or compression or are even fully relaxed. In this locking state, there is an electrical contact between the mating electrically conductive elements of the male tab holder 400 and the female connector holder 300.
  • a thrust or pressure exerted on the male tab holder 400 no longer has a direct effect on the locking assurance device 100.
  • the edge 404 of the opening 403 is no longer in a position to interact with the stop surfaces 114, 118, and the male tab holder 400 correctly mated and locked with the female connector holder 300 can no longer compress the springs of the locking assurance device 100.
  • the system 500 must be disconnected manually. As will be detailed below, in order to disconnect the system starting from the locking state illustrated in FIG.
  • FIGS. 7A-7C illustrate successive stages in the unlocking and disconnection of the electrical connector system from the locking state illustrated in FIG. 6D and explained previously.
  • FIG. 7A in order to unlock the connector system 500, an operator must apply pressure manually to the unlocking thrust surface 112 of the head of the locking assurance device 100 so as to cause it to slide into the accommodation portion 204 of the housing 200 of the female connector holder 300.
  • the springs of the device 100 then return to a loaded state.
  • the circled part on FIG. 7A shows in detail that an operator has applied pressure manually to the surface 112 such that the unlocking surface 116 of the unlocking element 115 is now sufficiently far forward to come into contact with the unlocking surface 210 of the unlocking lance 209 of the housing 200 of the female connector holder 300.
  • FIG. 7A shows in detail that an operator has applied pressure manually to the surface 112 such that the unlocking surface 116 of the unlocking element 115 is now sufficiently far forward to come into contact with the unlocking surface 210 of the unlocking lance 209 of the housing 200 of the female connector holder 300.
  • the male tab holder 400 is still locked to the female connector holder 300 by means of the locking lance 209, the head of which is still hooking the locking lug 402.
  • the spring returns the device 100 to its delivery position, thus automatically assuring a return to the locking state illustrated in FIG. 6D .
  • FIG. 7B illustrates the following stage, in which an operator has applied sufficient pressure to the unlocking thrust surface 112 in order to cause the locking assurance device 100 to slide to the bottom of the accommodation portion 204.
  • the springs are therefore in a maximum relative loading state, which authorizes a disconnection of the male tab holder 400.
  • this stage is substantially the counterpart of the locking action stage illustrated in FIG. 6C , except that the connector system 500 is still in a mated state.
  • the unlocking surface 116 is now sufficiently far forward to have deviated the locking lance 209 by sliding under the unlocking surface 210.
  • FIG. 7C illustrates the disconnection of the male tab holder 400 from the previous step illustrated in FIG. 7B .
  • this is possible because the state of maximum relative loading of the springs is maintained by the operator continuing to exert a pressure on the locking assurance device 100 so as to maintain it at the same level of advancement into the accommodation portion 204 as the stage illustrated in FIG. 7B .
  • the operator Given that the only action on the part of the operator has been to manually push the head 105 of the locking assurance device 100, the operator has not been required to deflect any locking lance manually, thereby preventing any risk of breakage, in particular of the locking lance 209.
  • the operator has therefore been able, in a continuous and simplified movement compared with the system known in the prior art, to use the same loading state of the locking springs and the action of the unlocking surface 116 on the locking lance 209 used in the mating action.
  • the diverse aspects of the present invention can be taken independently of one another or in combination with one another and have the advantage of improving locking and also facilitating manual unlocking between the female connector holder and a mating male tab holder of an electrical connector system compared with the systems known in the prior art.
  • the invention allows a spring locking assurance device to be used in a similar way both for locking and for authorizing unlocking. While the device fulfils its function of automatic ejection of the male tab holder if the mating is not realised correctly, the same device, through a manual action on the part of the operator which is simplified compared with the known prior art, allows authorization of the disconnection of the male tab holder.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (6)

  1. Système connecteur électrique (500) comprenant un dispositif de sécurisation de verrouillage (100) et un premier boîtier de connecteur (200) configuré pour pouvoir mettre mis en prise avec un second boîtier de connecteur d'accouplement (400) qui peut être verrouillé avec lui, dans lequel :
    le dispositif de sécurisation de verrouillage (100) comprend au moins un ressort et est configuré pour être reçu de manière mobile dans le premier boîtier (200) de façon qu'un déplacement du dispositif de sécurisation de verrouillage (100) dans le premier boîtier (200) lui faisant quitter une position de livraison provoque un chargement dudit au moins un ressort ; et
    le dispositif de sécurisation de verrouillage (100) est en outre configuré de façon que, durant une action d'accouplement du second boîtier (400) dans le premier boîtier (200), le dispositif de sécurisation de verrouillage (100) est déplacé de la position de livraison par le second boîtier (400) de sorte que le chargement dudit au moins un ressort s'oppose à l'accouplement tant que le système connecteur électrique (500) n'est pas dans un état de verrouillage dans lequel le second boîtier (400) est verrouillé avec le premier boîtier (200), et que le dispositif de sécurisation de verrouillage (100) n'est pas revenu à la position de livraison ;
    dans lequel le dispositif de sécurisation de verrouillage (100) comprend un corps (101) configuré pour être reçu de manière mobile, notamment de manière coulissante, dans le premier boîtier (200) dans une direction d'accouplement d'un second boîtier (400) dans le premier boîtier (200) ;
    et dans lequel le premier boîtier (200) comprend un corps (201) comprenant une partie de réception (204) qui est une cavité de géométrie adaptée à celle du dispositif de sécurisation de verrouillage (100) ;
    le premier boîtier (200) comprend un premier élément de verrouillage (209) pouvant être déplacé, en particulier de manière élastique, depuis une position de livraison dans laquelle, dans un état de verrouillage, le premier élément de verrouillage (209) est verrouillé avec un second élément de verrouillage (402) d'un second boîtier d'accouplement (400) ; et
    le système connecteur électrique (500) est en outre configuré de façon qu'un chargement dudit au moins un ressort provoque un déplacement du premier élément de verrouillage (209) du premier boîtier (200) autorisant la transition vers l'état de verrouillage et/ou un déverrouillage depuis l'état de verrouillage,
    le dispositif de sécurisation de verrouillage (100) comprend en outre une surface de poussée de déverrouillage (112) configurée de façon que, dans l'état de verrouillage, un déplacement du dispositif de sécurisation de verrouillage (100), lui faisant quitter la position de livraison, par une poussée sur ladite surface de poussée de déverrouillage (112) provoque un chargement dudit au moins un ressort autorisant le déverrouillage des premier et second boîtiers (200, 400),
    le dispositif de sécurisation de verrouillage (100) est en outre configuré de façon que le chargement dudit au moins un ressort autorisant la transition vers l'état verrouillé est sensiblement le même que le chargement autorisant le déverrouillage.
  2. Système connecteur électrique (500) selon la revendication 1, dans lequel le dispositif de sécurisation de verrouillage (100) est en outre configuré de façon que le chargement dudit au moins un ressort autorisant la transition vers l'état verrouillé et/ou un déverrouillage depuis l'état verrouillé est un chargement relatif maximum dudit au moins un ressort.
  3. Système connecteur électrique (500) selon l'une quelconque des revendications précédentes, comprenant en outre au moins une surface de poussée (114, 118), distincte de ladite surface de poussée de déverrouillage (112), configurée de façon que, durant une action d'accouplement, une poussée exercée sur elle, notamment par le second boîtier (400), provoque le chargement dudit au moins un ressort s'opposant à l'action d'accouplement.
  4. Système connecteur électrique (500) selon la revendication 3, comprenant en outre au moins une surface guide (116), dans lequel le dispositif de sécurisation de verrouillage (100) est en outre configuré de façon que, durant un déplacement du dispositif de sécurisation de verrouillage (100) lui faisant quitter la position de livraison, ladite au moins une surface guide (116) provoque un déplacement d'un premier élément de verrouillage (209) du premier boîtier (200) autorisant la transition vers l'état de verrouillage et/ou un déverrouillage depuis l'état de verrouillage.
  5. Système connecteur électrique (500) selon l'une quelconque des revendications précédentes, dans lequel le système connecteur électrique (500) est en outre configuré de façon que, dans l'état de verrouillage, ladite au moins une surface de poussée (114, 118) est agencée par rapport au second boîtier (400) de façon que le second boîtier (400) ne puisse pas exercer une poussée sur elle.
  6. Système connecteur électrique (500) selon l'une quelconque des revendications précédentes, dans lequel le système connecteur électrique (500) est en outre configuré de façon que, dans l'état de verrouillage, la surface de poussée de déverrouillage (112) soit agencée de manière à être hors de portée du second boîtier (400).
EP17155345.6A 2016-02-26 2017-02-09 Dispositif de sécurisation de verrouillage et système de connecteur électrique Active EP3211728B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1651634A FR3048310B1 (fr) 2016-02-26 2016-02-26 Dispositif d'assurance de verrouillage et systeme de connecteur electrique

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EP3211728A1 EP3211728A1 (fr) 2017-08-30
EP3211728B1 EP3211728B1 (fr) 2020-10-28
EP3211728B2 true EP3211728B2 (fr) 2023-08-02

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3048310B1 (fr) 2016-02-26 2020-10-09 Tyco Electronics France Sas Dispositif d'assurance de verrouillage et systeme de connecteur electrique
CH714248B1 (de) * 2017-10-16 2023-03-15 Landis & Gyr Ag Mehrteiliges Gehäuse für Verbrauchszähler sowie Sicherungseinrichtung für mehrteilige Gehäuse.
CN109546444B (zh) * 2018-11-29 2020-07-24 安徽江淮汽车集团股份有限公司 汽车线束插件
US11876324B2 (en) * 2021-07-29 2024-01-16 Aptiv Technologies AG Self-ejecting electrical connection system

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Publication number Priority date Publication date Assignee Title
EP1156557A1 (fr) † 2000-05-18 2001-11-21 Yazaki Corporation Connecteur avec détection d'accouplement incomplet
EP1237232A2 (fr) † 2001-03-02 2002-09-04 Fci Connecteur avec un verrouillage dans le couvercle
WO2004027938A1 (fr) † 2002-09-11 2004-04-01 Fci Connecteur enfichable pourvu d'un systeme de verrouillage secondaire soumis a l'action de ressorts
EP1521335A2 (fr) † 2003-10-01 2005-04-06 Sumitomo Wiring Systems, Ltd. Dispositif de connection
WO2014072081A1 (fr) † 2012-11-12 2014-05-15 Delphi International Operations Luxembourg S.À.R.L. Ensemble raccord à verrou secondaire automatique
EP2840664A1 (fr) † 2013-08-20 2015-02-25 Delphi Technologies, Inc. Ensemble connecteur à verrouillage secondaire actionné par ressort
FR3048310A1 (fr) † 2016-02-26 2017-09-01 Tyco Electronics France Sas Dispositif d'assurance de verrouillage et systeme de connecteur electrique

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Publication number Priority date Publication date Assignee Title
EP0805366A1 (fr) * 1996-05-02 1997-11-05 Harting KGaA Connecteur
JP4039199B2 (ja) * 2002-10-10 2008-01-30 住友電装株式会社 コネクタ
AT502133B1 (de) * 2005-07-13 2007-04-15 Neutrik Ag Elektrische steckverbindung
FR3008833B1 (fr) * 2013-07-22 2017-03-31 Tyco Electronics France Sas Systeme de connecteur electrique
EP2916396A1 (fr) * 2014-03-06 2015-09-09 PHOENIX CONTACT Connector Technology GmbH Connecteur électrique avec verouillage du type push-pull

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1156557A1 (fr) † 2000-05-18 2001-11-21 Yazaki Corporation Connecteur avec détection d'accouplement incomplet
EP1237232A2 (fr) † 2001-03-02 2002-09-04 Fci Connecteur avec un verrouillage dans le couvercle
WO2004027938A1 (fr) † 2002-09-11 2004-04-01 Fci Connecteur enfichable pourvu d'un systeme de verrouillage secondaire soumis a l'action de ressorts
EP1521335A2 (fr) † 2003-10-01 2005-04-06 Sumitomo Wiring Systems, Ltd. Dispositif de connection
WO2014072081A1 (fr) † 2012-11-12 2014-05-15 Delphi International Operations Luxembourg S.À.R.L. Ensemble raccord à verrou secondaire automatique
EP2840664A1 (fr) † 2013-08-20 2015-02-25 Delphi Technologies, Inc. Ensemble connecteur à verrouillage secondaire actionné par ressort
FR3048310A1 (fr) † 2016-02-26 2017-09-01 Tyco Electronics France Sas Dispositif d'assurance de verrouillage et systeme de connecteur electrique

Also Published As

Publication number Publication date
EP3211728A1 (fr) 2017-08-30
EP3211728B1 (fr) 2020-10-28
FR3048310B1 (fr) 2020-10-09
FR3048310A1 (fr) 2017-09-01

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